The Bogner Barcelona 40W Tube Guitar Amp Head is designed to stay clean at very loud volumes, with lots of headroom! This single-channel amp is perfect for guitarists who like to get distortion from pedals. Controls include Volume, Gain, Bass, Treble. The Gain control has a pull for fatter tones. A Â½ power switch cuts the output down to 20W. Under-the-hood features include class AB circuitry, EL34 (6CA7) power tubes, and an 8-ohm speaker jack. The Barcelona is covered in stylish black comet custom vinyl. Made in USA.